On Fri, 2005-01-14 at 10:36, YhLu wrote: > Then Eric need to fix the MTRR for AMD...? >
He uses TOP_MEM instead of MTRR for caching in early_mtrr. I don't know how to fix this execpt rewrite the whole early_mtrr. Probably we should add a dev_post() pass and put the ROM post into device_op::post? Ollie > -----Original Message----- > From: Li-Ta Lo [mailto:[EMAIL PROTECTED] > Sent: Friday, January 14, 2005 6:58 AM > To: YhLu > Cc: Sagiv Yefet; LinuxBIOS > Subject: RE: Running with VGA > > On Thu, 2005-01-13 at 22:20, YhLu wrote: > > The problem is no body touch that range. Even init_ecc_memory will skip > the > > first 1M range. > > > > No. The problem is amd/early_mtrr and amd/mtrr are wrong. The > amd/early_mtrr does not enable MEM forwarding of A0000-BFFFF to > main memory and amd/mtrr is called to late (it doesn't check if > A0000-BFFFF should be forward to IO or MEM neither). > > I fixed it a long time ago. Eric's CPU code just wipe them out. > > Ollie > _______________________________________________ Linuxbios mailing list Linuxbios@clustermatic.org http://www.clustermatic.org/mailman/listinfo/linuxbios
